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Bon Homme County, South Dakota

Bon Homme County, South Dakota
Map of South Dakota highlighting Bon Homme County
Location in the state of South Dakota
Map of the United States highlighting South Dakota
South Dakota's location in the U.S.
Founded April 5, 1862
Named for Bon Homme Island
Seat Tyndall
Largest city Springfield
 • Total 582 sq mi (1,507 km2)
 • Land 564 sq mi (1,461 km2)
 • Water 18 sq mi (47 km2), 3.1%
Population (est.)
 • (2013) 7,046
 • Density 13/sq mi (5/km²)
Congressional district At-large
Time zone Central: UTC-6/-5
Website .org.sdcountiesbonhomme

Bon Homme County (pronounced BAHN'-uhm[1]) is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 7,070.[2] Its county seat is Tyndall.[3]

Bon Homme County is the point of origin for the Siberian alien, Salsola kali, a type of tumbleweed, first reported here in 1877, probably introduced in a shipment of flax seed from Ukraine.


  • Geography 1
    • Major highways 1.1
    • Adjacent counties 1.2
    • National protected area 1.3
  • Demographics 2
  • Communities 3
    • Cities 3.1
    • Town 3.2
    • Census-designated place 3.3
    • Unincorporated communities 3.4
    • Townships 3.5
  • See also 4
  • References 5


According to the U.S. Census Bureau, the county has a total area of 582 square miles (1,510 km2), of which 564 square miles (1,460 km2) is land and 18 square miles (47 km2) (3.1%) is water.[4]

Major highways

Adjacent counties

National protected area


As of the census[10] of 2000, there were 7,260 people, 2,635 households, and 1,786 families residing in the county. The population density was 13 people per square mile (5/km²). There were 3,007 housing units at an average density of 5 per square mile (2/km²). The racial makeup of the county was 95.51% White, 0.62% Black or African American, 2.99% Native American, 0.08% Asian, 0.18% from other races, and 0.62% from two or more races. 0.58% of the population were Hispanic or Latino of any race. 41.3% were of German, 19.8% Czech and 9.9% Dutch ancestry.

There were 2,635 households out of which 28.70% had children under the age of 18 living with them, 59.80% were married couples living together, 5.10% had a female householder with no husband present, and 32.20% were non-families. 29.50% of all households were made up of individuals and 16.50% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.95.

In the county, the population was spread out with 23.10% under the age of 18, 7.60% from 18 to 24, 26.80% from 25 to 44, 21.70% from 45 to 64, and 20.80% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 123.00 males. For every 100 females age 18 and over, there were 126.40 males.

The median income for a household in the county was $30,644, and the median income for a family was $36,924. Males had a median income of $24,303 versus $20,307 for females. The per capita income for the county was $13,892. About 9.40% of families and 12.90% of the population were below the poverty line, including 16.20% of those under age 18 and 13.80% of those age 65 or over.




Census-designated place

Unincorporated communities


The county is divided into four areas of unorganized territory: Northeast Bon Homme, Northwest Bon Homme, Southeast Bon Homme, Southwest Bon Homme.

See also


  1. ^ "Broadcast Pronunciation Guide and South Dakota Pronunciations".  
  2. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved November 26, 2013. 
  3. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  4. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved March 22, 2015. 
  5. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  6. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved March 22, 2015. 
  7. ^ "Historical Census Browser". University of Virginia Library. Retrieved March 22, 2015. 
  8. ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved March 22, 2015. 
  9. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved March 22, 2015. 
  10. ^ "American FactFinder".  

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